docs: def list_leases(self, uuid=None):
          """
          List current subnet leases
  
          Args:
              uuid(str): Filter the leases by uuid
  
          Returns:
              list of :class:~Lease: current leases
          """
  
          try:
              lease_files = os.listdir(self.path)
          except OSError as e:
              raise_from(
                  LagoSubnetLeaseBadPermissionsException(self.path, e.strerror),
                  e
              )
  
          leases = [
              self.create_lease_object_from_idx(lease_file.split('.')[0])
              for lease_file in lease_files if lease_file != LOCK_NAME
          ]
          if not uuid:
              return leases
          else:
              return [lease for lease in leases if lease.uuid == uuid]